388 A&AMID^. 



cross bars ; tail with two series ot dark spots ; lower parts white, 

 the throa,t marbled with black in the male, less distinctly with grey- 

 in the female ; in the male an elongate black spot on the chest and 

 blackish variegations on the chest and beUy. 



Total length 126 miUim. 



Head 13 „ 



"Width of head 11 „ 



Body 35 „ 



Fore limb 21 „ 



Hind ILmb 33 „ 



Tail 78 „ 



South Australia. 



a. Many spec. : d S ■ Swan River. (Types.) 



6-c. (J . Swan River. 



d. $ . Australia. Lord Derby [P.]. 



Var. tasmaniensis. 



Distinguished by smaller dorsal scales and different markings on 

 the lower surfaces. Two A-shaped black streaks on the throat, less 

 marked in the female ; in the male a large elongate black spot on 

 the chest, and three more or less distinct longitudinal black lines on 

 the belly. 



Tasmania. — Perhaps a distinct species. 



a. Several spec. : cJ , J , & yg. Tasmania. 



10. AmpMbolurus pulcherrimus. (Plate XXX. fig. 2.) 



Closely allied to the preceding, from which it differs in having the 

 gular scales smooth or very feebly keeled, and in coloration. Grey 

 above, with four longitudinal rows of angular black spots on the 

 body ; head with symmetrical markings ; throat with two /^-shaped 

 black streaks ; a black spot on the chest and three longitudinal black 

 bands, uniting in front and behind, on the belly. 



Total length 100 miUim. 



West Australia. 



a-d. cJ. West Australia. Mr. Duboulay [0.]. 



11. AmpMbolurus pallidus. (Plate XXX. fig. 3.) 

 Qrammatophora angulifera, var. 3, Gh-ay, Cat. p. 253. 



Also very closely allied to A. adelaidensis. Enlarged dorsal scales 

 forming very regular longitudinal series. Uniform pale brown above, 

 without any spots ; lower surfaces white, immaculate in the female ; 

 male with the throat black-marbled, and a black streak along the 

 middle of the beUy. 



Total length 113 millim. 



West Australia. 



